1、 IEEE Guide for Online Monitoring and Recording Systems for Transient Overvoltages in Electric Power Systems Sponsored by the Corporate Advisory Group IEEE 3 Park Avenue New York, NY 10016-5997 USA IEEE SA Board of Governors IEEE Std 1894-2015 IEEE Std 1894-2015 IEEE Guide for Online Monitoring and
2、Recording Systems for Transient Overvoltages in Electric Power Systems Sponsor Corporate Advisory Group of the IEEE SA Board of Governors Approved 3 September 2015 IEEE-SA Standards Board IEEE Std 1894-2015 IEEE Guide for Online Monitoring and Recording Systems for Transient Overvoltages in Electric
3、 Power Systems Abstract: The guide for the online monitoring and recording system of transient overvoltages in power system is used to regularize its methods, define the concrete structure of recording system for transient overvoltages, and identify the requirements of capability checkout and uncert
4、ainty in online monitoring and recording systems. Keywords: capability checkout, divider system, IEEE 1894, recording system, transient overvoltages The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2015 by The Institute of Electrical a
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35、 Electric Power Systems Participants At the time this IEEE guide was completed, the High-Voltage Test Techniques Working Group had the following membership: Yanqiu Bi, Chair Jinghan He, Vice Chair Jianhong Ai Zhengwei Chang Dingju Chen Shaoqing Chen Ying Chen Chengwei Dai Lin Du Degang Gan Rongping
36、Guo Can Hu Jingchao Hu Shangmao Hu He Huang Lei Jia Yuhan Jiang Dengfeng Ju Chengxin Li Hua Li Jianming Li Nan Lin Yong Liu Guomin Luo Xiaohua Ren Shujie Sun Lifeng Tian Hui Tu Daxing Wang Shuxiang Wang Li Wen Guangning Wu Shijun Xie Jun Yang Lin Yang Qing Yang Jun Yu Yingang Yu Yi Zeng Yu Zhang Hai
37、xiang Zhao Kai Zhou Kang Zhu The following members of the individual balloting committee voted on this guide. Balloters may have voted for approval, disapproval, or abstention. Chengwei Dai Hermann Koch Jianming Li Xisheng Tand Beibei Wang Xiaogang Wang Guangning Wu Yao Xiao Qing Yang Hongke Zhang J
38、infang Zhang Changchun Zhou Yong Zhu When the IEEE-SA Standards Board approved this guide on 3 September 2015, it had the following membership: John D. Kulick, Chair Jon Walter Rosdahl, Vice Chair Richard H. Hulett, Past Chair Konstantinos Karachalios, Secretary Masayuki Ariyoshi Ted Burse Stephen D
39、ukes Jean-Philippe Faure J. Travis Griffith Gary Hoffman Michael Janezic Joseph L. Koepfinger* David J. Law Hung Ling Andrew Myles T. W. Olsen Glenn Parsons Ronald C. Petersen Annette D. Reilly Stephen J. Shellhammer Adrian P. Stephens Yatin Trivedi Philip Winston Don Wright Yu Yuan Daidi Zhong *Mem
40、ber Emeritus Copyright 2015 IEEE. All rights reserved. vi IEEE Std 1894-2015 IEEE Guide for Online Monitoring and Recording Systems for Transient Overvoltages in Electric Power Systems Copyright 2015 IEEE. All rights reserved. viiIntroduction This introduction is not part of IEEE Std 1894-2015, IEEE
41、 Guide for Online Monitoring and Recording Systems for Transient Overvoltages in Electric Power Systems. Transmission and transformation apparatuses in power systems may be subject to lightning overvoltage or switching overvoltage at any time. Lightning overvoltage may invade transmission lines and
42、cause failure when a substation has many output transmission lines or lightning is located in the incidence area. Internal overvoltage may occur when a no-load transmission line or a no-load transformer is removed from the system. A grounding fault may cause arc grounding overvoltage. The value of t
43、hese overvoltages can reach two to five times the systems operating voltage. If insulation coordination is improper or defective in substations, overvoltages may cause damage to primary equipment. Furthermore, if the insulation of an apparatus is defected or aged, overvoltages may cause insulation b
44、reakdown. Existing standards on measuring and recording overvoltages are not mainly applied to transient overvoltages but are applied to power frequency overvoltage in power systems. Transient overvoltages are different to power frequency overvoltage in waveform, amplitude, measuring equipment, and
45、measuring technique. This standard is developed to standardize the techniques for online monitoring and recording of the transient overvoltages. IEEE Std 1894-2015 IEEE Guide for Online Monitoring and Recording Systems for Transient Overvoltages in Electric Power Systems Contents 1. Scope 1 2. Norma
46、tive references 2 3. Definitions, subscripts, symbols, and acronyms . 2 3.1 Definitions . 2 3.2 Subscripts, symbols, and acronyms . 4 4. The configuration and functions of online monitoring and recording systems for transient overvoltages in power systems 6 4.1 Configuration of online monitoring and
47、 recording systems for transient overvoltages . 6 4.2 Functions of an online monitoring and recording system for transient overvoltages 7 5. Transient overvoltage divider system . 7 5.1 Overvoltage ranges 7 5.2 Dividing modes 9 5.3 Bandwidths of different dividing modes 9 5.4 The selection of divide
48、r systems .10 5.5 Specification requirements .10 6. Transient overvoltage recording systems 12 6.1 Definition 12 6.2 Configurations of a recording system .12 6.3 Specification requirements .13 7. Implementation requirements for online monitoring and recording systems 15 7.1 Basic requirements .15 7.
49、2 Selection of major components.16 7.3 Technical requirements for online measuring equipment connection 17 8. Uncertainty of transient overvoltage online measurement 20 8.1 Evaluation and expression of uncertainty in data measurement .20 8.2 Requirements for total uncertainty of measuring systems 20 9. Other precautions for overvoltage measuring systems 20 Annex A (normative) Electric diagrams of transient overvoltage monitoring for different dividing modes 21 Annex B (informative) Simulation analysis of the impulse voltage response of electromagnetic voltage transformer
